Home / 105,276.11-145,289.66-59,968.26

Finding the Fourth Proportional to 105,276.11, 145,289.66 and 59,968.26

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Solution

The fourth proportional to 105,276.11, 145,289.66 and 59,968.26 is: 82,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,276.11 : 145,289.66 = 59,968.26 : x
  2. Step 2: Convert to fraction form
    105,276.11/145,289.66 = 59,968.26/x
  3. Step 3: Cross multiply
    105,276.11x = 145,289.66 × 59,968.26
  4. Step 4: Simplify right side
    105,276.11x = 8,712,767,806.35
  5. Step 5: Solve for x
    x = 8,712,767,806.35/105,276.11
  6. Step 6: Final answer
    x = 82,761.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.